Weight Loss Following Use of a Smartphone Food Photo Feature: Retrospective Cohort Study
Initiatives
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The aime was to determine the effectiveness of using photography as a feature of a smartphone weight loss app to track food intake in adults who were overweight or obese.
Note: All published information has been collected from the article referenced in the Marker Paper box below. Therefore, there may be variations with more advanced versions of the study.
- Start Year
- 2016
- Funding
- Funding was provided by the Obesity Society through the Weight Watchers Karen Miller-Kovach Research Grant to AG.
Design
- Study design
- Population cohort
Marker Paper
Ben Neriah D, Geliebter A. Weight Loss Following Use of a Smartphone Food Photo Feature: Retrospective Cohort Study. JMIR Mhealth Uhealth. 2019;7(6):e11917. Published 2019 May 29. doi:10.2196/11917
PUBMED 31199300
Recruitment
- Sources of Recruitment
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- Individuals
Number of participants
- Number of participants
- 123,787
- Number of participants with biosamples
Access
Availability of data and biosamples
| Data | |
| Biosamples | |
| Other |
Timeline
People with body mass index≥25 kg/m2
We analyzed data from individuals (age, 18-65 years; body mass index≥25 kg/m2; ≥4 days of logged food intake; and ≥2 weigh-ins) who used a mobile-based weight loss app.
Selection Criteria
- Minimum age
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18
- Maximum age
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65
- Newborns
- Twins
- Countries
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- United States of America
- Ethnic Origin
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- Health Status
-
- Other criteria
- individuals who were overweight or obese
Recruitment
- Sources of recruitment
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- General population
Number of participants
- Number of participants
- 123,787
- Number of participants with biosamples
Data Collection Event
We aimed to determine the effectiveness of using photography as a feature of a smartphone weight loss app to track food intake in adults who were overweight or obese
- Start Date
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2016-11
- End Date
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2017-04
- Data sources
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Mobile data collection
- Smartphone apps
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Mobile data collection